Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/examples/AddPerson.java

-// See README.txt for information and build instructions.
-
-import com.example.tutorial.AddressBookProtos.AddressBook;
-import com.example.tutorial.AddressBookProtos.Person;
-import java.io.BufferedReader;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.InputStreamReader;
-import java.io.IOException;
-import java.io.PrintStream;
-
-class AddPerson {
-  // This function fills in a Person message based on user input.
-  static Person PromptForAddress(BufferedReader stdin,
-                                 PrintStream stdout) throws IOException {
-    Person.Builder person = Person.newBuilder();
-
-    stdout.print("Enter person ID: ");
-    person.setId(Integer.valueOf(stdin.readLine()));
-
-    stdout.print("Enter name: ");
-    person.setName(stdin.readLine());
-
-    stdout.print("Enter email address (blank for none): ");
-    String email = stdin.readLine();
-    if (email.length() > 0) {
-      person.setEmail(email);
-    }
-
-    while (true) {
-      stdout.print("Enter a phone number (or leave blank to finish): ");
-      String number = stdin.readLine();
-      if (number.length() == 0) {
-        break;
-      }
-
-      Person.PhoneNumber.Builder phoneNumber =
-        Person.PhoneNumber.newBuilder().setNumber(number);
-
-      stdout.print("Is this a mobile, home, or work phone? ");
-      String type = stdin.readLine();
-      if (type.equals("mobile")) {
-        phoneNumber.setType(Person.PhoneType.MOBILE);
-      } else if (type.equals("home")) {
-        phoneNumber.setType(Person.PhoneType.HOME);
-      } else if (type.equals("work")) {
-        phoneNumber.setType(Person.PhoneType.WORK);
-      } else {
-        stdout.println("Unknown phone type.  Using default.");
-      }
-
-      person.addPhones(phoneNumber);
-    }
-
-    return person.build();
-  }
-
-  // Main function:  Reads the entire address book from a file,
-  //   adds one person based on user input, then writes it back out to the same
-  //   file.
-  public static void main(String[] args) throws Exception {
-    if (args.length != 1) {
-      System.err.println("Usage:  AddPerson ADDRESS_BOOK_FILE");
-      System.exit(-1);
-    }
-
-    AddressBook.Builder addressBook = AddressBook.newBuilder();
-
-    // Read the existing address book.
-    try {
-      FileInputStream input = new FileInputStream(args[0]);
-      try {
-        addressBook.mergeFrom(input);
-      } finally {
-        try { input.close(); } catch (Throwable ignore) {}
-      }
-    } catch (FileNotFoundException e) {
-      System.out.println(args[0] + ": File not found.  Creating a new file.");
-    }
-
-    // Add an address.
-    addressBook.addPeople(
-      PromptForAddress(new BufferedReader(new InputStreamReader(System.in)),
-                       System.out));
-
-    // Write the new address book back to disk.
-    FileOutputStream output = new FileOutputStream(args[0]);
-    try {
-      addressBook.build().writeTo(output);
-    } finally {
-      output.close();
-    }
-  }
-}